About
Other Mommy is a 2026 American supernatural psychological horror film directed by Rob Savage from a screenplay by Nathan Elston, based on the 2024 novel Incidents Around the House by Josh Malerman. The film stars Jessica Chastain as a mother who must do everything to protect her seven-year-old daughter (Arabella Olivia Clark) from a supernatural entity that resembles her. Jay Duplass also stars, as the father, while Dichen Lachman, Arian Moayed, Sean Kaufman, and Karen Allen play supporting roles. Principal photography began in May 2025 in Dublin, Ireland. James Wan served as a producer through his Blumhouse–Atomic Monster banner. Other Mommy was released in the United States by Universal Pictures on October 9, 2026. The film received negative reviews from critics, and has grossed $45.7 million at the worldwide box office.
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